CAT Articulated Truck 740 User Manual download pdf (Page 8)

Durability and Reliability

High machine availability maximizes productivity and lowers costs.

Front Frame

The front frame design features a large box section and wide,

stiff frame beams to handle torque loads. The divergent

frame design decreases stress in the hitch area and optimizes

suspension geometry. Theframe design makes maximum use

of robotic welding for increased durability.

Rear Frame

Twin-box construction minimizes stress concentrations and

provides low weight with long service life.

Suspension

The three-point oscillating axle front suspension provides

unparalleled ride quality. It also protects the truck from

adverse road conditions by absorbing shock loads that would

reach the frame.

Articulating/Oscillating Hitch

The articulating hitch provides the truck with steering

articulation, and the oscillation ensures all-wheel ground

contact in rough terrain.

Hitch Construction

Two-piece construction features a durable cast steel head

bolted to a hard-wearing forged steel tube.

Fast Hoist Cycle Times

Fast body raise and lower times mean less time spent in the

dump area.

Load-Carrying Capacity

The 740B has a large target area to provide consistently high

load-carrying capacity. Its diverging ow design gives clean

load ejection, which maximizes production and avoids the

waste of material carry-back.

Output Transfer Gear

Provides lubrication of all bearings and clutches using a

distributed-pressure lubricated and  ltered system.

Enclosed, Oil-Cooled Brakes

High performance multi-plate, oil-immersed brakes are only

required on front and center axles. These brakes provide

outstanding stopping capability, while maintaining maximum

durability and low wear characteristics.

Parking Brake

Fitted to the center axle in an elevated position, springapplied

and hydraulically released.

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CAT Articulated Truck 740 User Manual Page 8